Study.java

package jxtreetable.stackoverflow;

import java.util.ArrayList;
import java.util.List;

class Study {
    public static Study One() {
        Study study = new Study();
        study.series.add(new Series("Series 1.1", "Mr. X", "1988-10-23", "sec-xx-1"));
        study.series.add(new Series("Series 1.2", "Mr. X", "1988-10-23", "sec-xx-2"));
        study.series.add(new Series("Series 1.3", "Mr. X", "1988-10-23", "sec-xx-3"));
        return study;
    }

    public static Study Two() {
        Study study = new Study();
        study.series.add(new Series("Series 2.1", "Mrs. Y", "1960-02-11", "sec-yy-1"));
        return study;
    }

    public static Study Three() {
        Study study = new Study();
        study.series.add(new Series("Series 3.1", "HAL 9000", "1975-04-21", "sec-zz-1"));
        study.series.add(new Series("Series 3.2", "HAL 9000", "1975-04-21", "sec-zz-2"));
        return study;
    }

    public List<Series> series = new ArrayList<>();
}